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  3. PIK3CD

PIK3CD (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta)

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The Function of PIK3CD

Phosphoinositide-3-kinase (PI3K) that phosphorylates PftdIns(4,5)P2 (Phosphatidylinositol 4,5-bisphosphate) to generate phosphatidylinositol 3,4,5-trisphosphate (PIP3). PIP3 plays a key role by recruiting PH domain-containing proteins to the membrane, including AKT1 and PDPK1, activating signaling cascades involved in cell growth, survival, proliferation, motility and morphology. Mediates immune responses. Plays a role in B-cell development, proliferation, migration, and function. Required for B-cell receptor (BCR) signaling. Mediates B-cell proliferation response to anti-IgM, anti-CD40 and IL4 stimulation. Promotes cytokine production in response to TLR4 and TLR9. Required for antibody class switch mediated by TLR9. Involved in the antigen presentation function of B-cells. Involved in B-cell chemotaxis in response to CXCL13 and sphingosine 1-phosphate (S1P). Required for proliferation, signaling and cytokine production of naive, effector and memory T-cells. Required for T-cell receptor (TCR) signaling. Mediates TCR signaling events at the immune synapse. Activation by TCR leads to antigen-dependent memory T-cell migration and retention to antigenic tissues. Together with PIK3CG participates in T-cell development. Contributes to T-helper cell expansion and differentiation. Required for T-cell migration mediated by homing receptors SELL/CD62L, CCR7 and S1PR1 and antigen dependent recruitment of T-cells. Together with PIK3CG is involved in natural killer (NK) cell development and migration towards the sites of inflammation. Participates in NK cell receptor activation. Have a role in NK cell maturation and cytokine production. Together with PIK3CG is involved in neutrophil chemotaxis and extravasation. Together with PIK3CG participates in neutrophil respiratory burst. Have important roles in mast-cell development and mast cell mediated allergic response. Involved in stem cell factor (SCF)-mediated proliferation, adhesion and migration. Required for allergen-IgE-induced degranulation and cytokine release. The lipid kinase activity is required for its biological function. Isoform 2 may be involved in stabilizing total RAS levels, resulting in increased ERK phosphorylation and increased PI3K activity.

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Protein names

Recommended name:

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform

Alternative name(s):

PI3-kinase subunit delta
PI3K-delta
PI3Kdelta
PtdIns-3-kinase subunit delta
Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit delta
PtdIns-3-kinase subunit p110-delta
p110delta

PIK3CD SNPs

    To see your genotype, you should be logged in and have a file with your genotype uploaded.

  1. RS14271 (PIK3CD) ??

Top Gene-Substance Interactions

PIK3CD Interacts with These Diseases

Disease Score

Substances That Increase PIK3CD

Substances Interaction Organism Category

Substances That Decrease PIK3CD

Substances Interaction Organism Category

Conditions with Increased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Conditions with Decreased Gene Activity

Condition Change (log2fold) Comparison Species Experimental variables Experiment name

Technical

The following transcription factors affect gene expression:

  • NF-kappaB
  • Egr-1
  • NF-kappaB1
  • c-Rel
  • Egr-2

Tissue specificity:

Isoform 2 is expressed in normal thymus, lung and spleen tissues, and is detected at low levels in normal lysates from colon and ovarian biopsies, at elevated levels in lysates from colorectal tumors and is abundantly expressed in some ovarian tumors (at protein level). Both isoform 1 and isoform 2 are widely expressed. Isoform 1 is expressed predominantly in leukocytes.

Gene Pathways:

  • Metabolism
  • Disease
  • Immune System
  • Melanoma
  • Pathways in cancer
  • Regulation of actin cytoskeleton
  • Signal Transduction
  • Hepatitis C
  • Jak-STAT signaling pathway
  • Measles
  • Natural killer cell mediated cytotoxicity
  • Toll-like receptor signaling pathway
  • Bacterial invasion of epithelial cells
  • Colorectal cancer
  • Endometrial cancer
  • Leukocyte transendothelial migration
  • Prostate cancer
  • Chemokine signaling pathway
  • Neurotrophin signaling pathway
  • T cell receptor signaling pathway
  • Acute myeloid leukemia
  • Apoptosis
  • B cell receptor signaling pathway
  • Chagas disease (American trypanosomiasis)
  • Chronic myeloid leukemia
  • Glioma
  • Inositol phosphate metabolism
  • Insulin signaling pathway
  • Osteoclast differentiation
  • Pancreatic cancer
  • Phosphatidylinositol signaling system
  • Small cell lung cancer
  • Toxoplasmosis
  • Aldosterone-regulated sodium reabsorption
  • Amoebiasis
  • mTOR signaling pathway
  • Progesterone-mediated oocyte maturation
  • Renal cell carcinoma
  • VEGF signaling pathway
  • Fc epsilon RI signaling pathway
  • Type II diabetes mellitus
  • Non-small cell lung cancer
  • Carbohydrate digestion and absorption

Enzyme Regulation:

Activated by growth factors and cytokine receptors through a tyrosine-kinase-dependent mechanism. Activated by RAS. IC87114 inhibits lipid kinase activity and is selective in cells at doses up to 5-10 uM. IC87114 blocks T-cell receptor signaling in naive and memory T-cells and reduces cytokine production by memory T-cells.

Molecular Function:

  • 1-Phosphatidylinositol-3-Kinase Activity
  • 1-Phosphatidylinositol-4-Phosphate 3-Kinase Activity
  • Atp Binding
  • Phosphatidylinositol 3-Kinase Activity
  • Phosphatidylinositol-4,5-Bisphosphate 3-Kinase Activity

Biological Processes:

  • Adaptive Immune Response
  • B Cell Activation
  • B Cell Chemotaxis
  • B Cell Receptor Signaling Pathway
  • Cytokine Production
  • Inflammatory Response
  • Innate Immune Response
  • Mast Cell Chemotaxis
  • Mast Cell Degranulation
  • Mast Cell Differentiation
  • Natural Killer Cell Activation
  • Natural Killer Cell Chemotaxis
  • Natural Killer Cell Differentiation
  • Neutrophil Chemotaxis
  • Neutrophil Extravasation
  • Phosphatidylinositol 3-Kinase Signaling
  • Phosphatidylinositol Biosynthetic Process
  • Phosphatidylinositol-Mediated Signaling
  • Phosphorylation
  • Positive Regulation Of Cell Migration
  • Positive Regulation Of Gene Expression
  • Protein Phosphorylation
  • Regulation Of Phosphatidylinositol 3-Kinase Signaling
  • Respiratory Burst Involved In Defense Response
  • Signal Transduction
  • T Cell Activation
  • T Cell Chemotaxis
  • T Cell Differentiation
  • T Cell Receptor Signaling Pathway

Drug Bank:

  • Caffeine
*synonyms

Synonyms/Aliases/Alternative Names of the Gene:

hypothetical protein| PI3K| phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subuni| A306_13143| APDS| AS27_13011| AS28_08706| catalytic phosphatidylinositol 3-kinase delta| CB1_000363010| EH28_12563| H920_06965| I79_019454| IMD14| M959_03330| MDA_GLEAN10024403| N300_05980| N301_11371| N302_14236| N303_02563| N306_05351| N307_01462| N309_14439| N310_07398| N320_04385| N321_04433| N322_03589| N324_02400| N325_02211| N326_04464| N327_07249| N328_00873| N329_00605| N330_02435| N331_05395| N332_01627| N333_01229| N334_11145| N335_11408| N336_12394| N339_11685| N341_08990| p100 delta| p110D| P110DELTA| PAL_GLEAN10013027| phosphatidylinositol 3-kinase catalytic delta polypeptide| phosphatidylinositol 3-kinase catalytic subunit delta| phosphatidylinositol 3-kinase p110 delta| phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit delta| phosphatidylinositol-4,5-bisphosphate 3-kinase 110 kDa catalytic subunit delta| phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit delta| Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform| Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta isoform| phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta isoform-like protein| phosphoinositide-3-kinase C| phosphoinositide-3-kinase, catalytic, delta polypeptide| phosphoinositide-3-kinase, catalytic, delta polypeptide variant p37delta| phosphoinositide 3 kinase P110delta| PI3Kdelta| PI3K-delta| PI3-kinase p110 subunit delta| PI3-kinase subunit delta| ptdIns-3-kinase subunit delta| ptdIns-3-kinase subunit p110-delta| TREES_T100008707| Y1Q_020717| Z169_14385| pik3cd

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